← all 2005 Pontiac Bonneville trims
2005 Pontiac Bonneville — 4.6L 8-cyl, Automatic 4-spd, FWD
This 2005 Pontiac Bonneville (4.6L 8-cyl, Automatic 4-spd, FWD) takes regular (87-octane) gasoline. REGULAR
18
MPG combined (15 city / 22 hwy)
$3,450
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 2005 Pontiac Bonneville trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.8L 6-cyl, Automatic 4-spd, FWD | REGULAR | 21 | $2,950 |
EPA fuel type: Regular · class: Large Cars · retrieved 2026-06-14.